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Caterpillar hydraulic excavators serie D
SERV1852-02 August 2008 GLOBAL SERVICE LEARNING TECHNICAL PRESENTATION 320D -336D HYDRAULIC EXCAVATORS TIER III ENGINES INTRODUCTION Service Training Meeting Guide (STMG) 320D -336D HYDRAULIC EXCAVATORS TIER III ENGINES INTRODUCTION ((320D - 336D) AUDIENCE Level II - Service personnel who understand the principles of machine systems operation, diagnostic equipment, and procedures for testing and adjusting CONTENT This presentation provides an introduction and machine walkaround for the 320D-336D Hydraulic Excavator Additional presentations will cover the engines, pilot system, pumps and controls, main control valve group, swing system, travel system, and tool control systems in more detail This presentation may be used for self-paced and self-directed training OBJECTIVES After learning the information in this presentation, the technician will be able to: identify the major components and controls of a 320D-336D Hydraulic Excavator, and perform a machine walkaround inspection and daily maintenance REFERENCES 320D Hydraulic Excavator Specalog 323D L and 323D LN Hydraulic Excavators 324D Hydraulic Excavator Specalog 325D Hydraulic Excavator Specalog 328D Hydraulic Excavator Specalog 330D Hydraulic Excavator Specalog Machine Monitoring System - Systems Operation Self-study "300D Series Hydraulic Excavators, 345C Hydraulic Excavator, and 365C & 385C Large Hydraulic Excavators iTIM " '300C' Series Hydraulic Excavators-Electronic Control Systems" iTIM "325C Hydraulic Excavators-Hydraulic Systems" 325D Hydraulic Schematic Estimated Time: Hour Illustrations: 41 Form: SERV1852-02 Date: August 2008 © 2008 Caterpillar AEHQ5856 HEHH3327 AEHQ5663 AEHQ5665 AEHQ5706 AEHQ5667 RENR8068 SERV7032 SERV2693 SERV2701 KENR6157 SERV1852-02 08/08 -3- Text Reference Introduction TABLE OF CONTENTS INTRODUCTION MACHINE WALK-AROUND 14 325D Hydraulic Excavator 16 330D Hydraulic Excavator 25 OPERATOR STATION 33 CONCLUSION 48 SERV1852-02 08/08 -4- Text Reference Introduction PREREQUISITES "Fundamentals of Mobile Hydraulics Self Study Course" "Fundamentals of Power Train Self Study Course" "Fundamentals of Electrical Systems Self Study Course" "Fundamentals of Engines Self Study Course" TEMV3002 TEMV3003 TEMV3004 TEMV3001 NOTES Nomenclature Change: During the fourth quarter of 2008, the 325D and 330D nomenclature changed The 325D became the 329D and the 330D became the 336D for most arrangements The exceptions are as follows: - The nomenclature for the 325D MH and 330D MH did not change - The nomenclature for the 325D FM and 330D FM did not change - The 325D HD HW did not change into 329D HD HW This model is being discontinued However, the 330D HD HW changed to the 336D HD HW SERV1852-02 08/08 -5- Text Reference Introduction 320D-336D EXCAVATORS - TIER III ENGINES INTRODUCTION AND SYSTEMS OPERATION (320D - 330D) © 2008 Caterpillar INTRODUCTION The Caterpillar 320D-336D range of Hydraulic Excavators incorporate design innovations and performance improvements from the 300C Hydraulic Excavator Series and are a direct replacement for them The range comprises of: 320D, 321D, 323D, 324D, 325D, 328D, & 330D, with some models having various additional machine arrangements During the fourth quarter of of 2008, the 329D replaced the 325D and the 336D replaced the 330D for most arrangements The machines feature a new cab for greater operator comfort The cab provides the operator with excellent visibility of processing equipment, trucks, and railcars The cab, consoles, and joysticks have been improved to provide a better access and understanding of all functions This presentation discusses the systems operation of the 320D-336D Hydraulic Excavators, along with basic engine and machine component location NOTE: Most of the illustrations of the iron in this presentation will be of the 325D and 330D excavators The other models will be configured similarly, but component locations may be different Some of the illustrations may show pilot iron instead of production iron The most significant differences will be related to the engine compartment due to the three different engines being used in this series of machines as well as two of the models being compact radius (CR) SERV1852-02 08/08 -6- Text Reference Introduction 300D SERIES HYDRAULIC EXCAVATORS Model Engine Configurations Available 320D C6.4 L, LN, FM, MH, RR, L RR, LL 321D C6.4 CR, LCR 323D C6.4 L, LN, S, SA 324D C7 L, LN, FM 325D/329D C7 L, LN, FM, MH, L MH, UHD, L HW, L HD 328D C7 LCR 330D/336D C9 L, LN, FM, MH, WH, L HD, L RE, U HD, L HW During the fourth quarter of 2008, the 325D became the 300D and the 330D became the 336D for most machine configurations The 325D MH and 330D MH did not change The 325D FM and 330D FM did not change The 325D HD HW was discontinued The 320D-336D Hydraulic Excavators cover the 20 to 36 metric ton class of excavators and are extremely versatile machines capable of performing a wide range of tasks by utilizing the various work tools available For the "D" Series models shown, they are all equipped with ACERTTM Tier III engines NOTE: Some of the "D" Series excavators arrangements are built using Tier II engines to better meet market needs in certain parts of the world The machines can be configured with a wide range of undercarriages including standard, long (L) and long and narrow width (LN) For some models additional letters are included in the nomenclature, for example: forest machine (FM), material handler (MH), heavy duty (HD), and waste handling (WH) to designate the machine application The 321D and 328D are only available as compact radius (CR) machines As mentioned, during the fourth quarter of 2008, the 325D and 330D nomenclature changed to the 329D and 336D respectively The reason for the change was to better align the machine nomenclature with the actual machine weight Making this change should lead to increased machine sales SERV1852-02 08/08 -7- Text Reference Introduction The exceptions to this nomenclature change are as follows: - The nomenclature for the 325D MH and 330D MH did not change - The nomenclature for the 325D FM and 330D FM also did not change - The 325D HD HW did not change into 329D HD HW This model is being discontinued However, the 330D HD HW changed to the 336D HD HW SERV1852-02 08/08 -8- Text Reference Introduction The 320D, 325D, and 330D can be configured as a material handler (MH) A fixed cab riser, or as shown here, a hydraulic cab riser is available The cab riser provides different operating heights with excellent visibility for loading and unloading processing equipment, trucks, and rail cars The 321D CR and 328D LCR are compact radius (CR) machines With CR machines, the machine tailswing is within the width of the undercarriage (depending on track width) SERV1852-02 08/08 -9- Text Reference Introduction SIMILARITIES AND DIFFERENCES FEATURES DIFFERENT Machine Appearance SIMILAR X Operator s Station X Engine X Implement Hydraulic System Monitoring System SAME X X Maintenance Items X Tool Control Systems X Machine ECM X Travel System X Undercarriage X This chart displays some the similarities and differences between the 300D Series and the 300C Series hydraulic excavators New and improved features include: Operator's Station: The layout of the interior has been redesigned to maximize operator comfort and reduce operator fatigue Frequently used switches have been relocated for easier access The consoles and armrests have been redesigned for better comfort and adjustability More seat options are available: the standard mechanical suspension seat, or the optional air suspension seat with heater Engine: The "D" Series machines are equipped with Tier III ACERTTM engines The C6.4 engine is used in the 320D, 321D, and 323D The C7 engine is used in the 324D, 325D/329D, and the 328D The C9 engine is used in the 330D/336D Monitor: The monitor is a full color Liquid Crystal Display that provides vital operating and performance information, which is all in a simple, easy to navigate format Tool Control: The tool control systems for the 300D are similar in function as the tool control systems for the 320C - 330C medium excavators, although the medium pressure circuit is now a stand-alone function SERV1852-02 08/08 - 10 - Text Reference Introduction The SmartBoom™ attachment enhances operation of the boom function and significantly reduces cycle times of the machine The SmartBoom™ is essentially a boom float attachment, which allows the operator to lower the boom under its own weight or for the boom to raise up due to stick force Service and maintenance intervals have been extended to reduce machine service time and increase machine availability Options include the following: The Machine Security System (MSS): This system uses a special Caterpillar key with an embedded electronic chip for controlling unauthorized machine operation Product Link: This option provides all kinds of information and working parameters through a satellite connection between an on-board computer and the machine Product Link provides easier fleet management and improved preventive maintenance PL121 and PL321 are both available AccuGrade: This option provides precise control of the work tool using special software Auxiliary Hydraulic Options: This option allows the machine to be configured to meet the work tool needs, while increasing its versatility - Single Function Circuit is suited for tools that require one-way flow with one or both pumps, such as hammers and vibratory plate compactors - Double Function Circuit is suited for tools that require two-way flow, utilizing one or two pump flows, such as thumbs, non-rotation grapples, or shears ... 32 5D FM and 33 0D FM did not change - The 32 5D HD HW did not change into 32 9D HD HW This model is being discontinued However, the 33 0D HD HW changed to the 33 6D HD HW SERV185 2-0 2 08/08 -5 - Text... 30 0D and the 33 0D became the 33 6D for most machine configurations The 32 5D MH and 33 0D MH did not change The 32 5D FM and 33 0D FM did not change The 32 5D HD HW was discontinued The 32 0D- 33 6D Hydraulic... - The nomenclature for the 32 5D FM and 33 0D FM also did not change - The 32 5D HD HW did not change into 32 9D HD HW This model is being discontinued However, the 33 0D HD HW changed to the 336D